<script setup>
import {User, Lock} from '@element-plus/icons-vue'
import {ref} from 'vue'
import {userRegisterService} from "@/api/user.ts";


//控制注册与登录表单显示， 默认显示注册
const isRegister = ref(false)

// 定义数据
const registerData = ref({
  username: '',
  password: '',
  rePassword: ''
})

// 校验密码的函数
function confirmPassword(rules, value, callback) {
  if (value === '') {
    callback(new Error('请在次确认密码'))
  } else if (value !== registerData.value.password) {
    callback(new Error('请确保两次输入的密码一致'))
  } else {
    callback()
  }
}

// 定义表单验证规则
const rules = {
  username: [
    {required: true, message: '请输入用户名', trigger: 'blur'},
    {min: 5, max: 16, message: '长度为5-16位非空字符', trigger: 'blur'}
  ],
  password: [
    {required: true, message: '请输入密码', trigger: 'blur'},
    {min: 5, max: 16, message: '长度为5-16位非空字符', trigger: 'blur'}
  ],
  rePassword: [{validator: confirmPassword, trigger: 'blur'}]
}

// 注册功能
async function register() {
  let result = await userRegisterService(registerData.value)
  if (result.code === 0) {
    // 注册成功
    alert(result.message ? result.message : "注册成功")
  } else {
    // 注册失败
    alert("注册失败")
  }
}
</script>

<template>
  <el-row class="login-page">
    <el-col :span="12" class="bg"></el-col>
    <el-col :span="6" :offset="3" class="form">
      <!-- 注册表单 -->
      <el-form
          ref="form"
          size="large"
          autocomplete="off"
          v-if="isRegister"
          :model="registerData"
          :rules="rules"
      >
        <el-form-item>
          <h1>注册</h1>
        </el-form-item>
        <el-form-item prop="username">
          <el-input
              :prefix-icon="User"
              placeholder="请输入用户名"
              v-model="registerData.username"
          ></el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input
              :prefix-icon="Lock"
              type="password"
              placeholder="请输入密码"
              v-model="registerData.password"
          ></el-input>
        </el-form-item>
        <el-form-item prop="rePassword">
          <el-input
              :prefix-icon="Lock"
              type="password"
              placeholder="请输入再次密码"
              v-model="registerData.rePassword"
          ></el-input>
        </el-form-item>
        <!-- 注册按钮 -->
        <el-form-item>
          <el-button class="button" type="primary" auto-insert-space @click="register"> 注册</el-button>
        </el-form-item>
        <el-form-item class="flex">
          <el-link type="info" :underline="false" @click="isRegister = false"> ← 返回</el-link>
        </el-form-item>
      </el-form>
      <!-- 登录表单 -->
      <el-form ref="form" size="large" autocomplete="off" v-else>
        <el-form-item>
          <h1>登录</h1>
        </el-form-item>
        <el-form-item>
          <el-input :prefix-icon="User" placeholder="请输入用户名"></el-input>
        </el-form-item>
        <el-form-item>
          <el-input
              name="password"
              :prefix-icon="Lock"
              type="password"
              placeholder="请输入密码"
          ></el-input>
        </el-form-item>
        <el-form-item class="flex">
          <div class="flex">
            <el-checkbox>记住我</el-checkbox>
            <el-link type="primary" :underline="false">忘记密码？</el-link>
          </div>
        </el-form-item>
        <!-- 登录按钮 -->
        <el-form-item>
          <el-button class="button" type="primary" auto-insert-space>登录</el-button>
        </el-form-item>
        <el-form-item class="flex">
          <el-link type="info" :underline="false" @click="isRegister = true"> 注册 →</el-link>
        </el-form-item>
      </el-form>
    </el-col>
  </el-row>
</template>

<style lang="scss" scoped>
/* 样式 */
.login-page {
  height: 100vh;
  background-color: #fff;

  .bg {
    background: url('@/assets/logo2.png') no-repeat 60% center / 240px auto,
    url('@/assets/login_bg.jpg') no-repeat center / cover;
    border-radius: 0 20px 20px 0;
  }

  .form {
    display: flex;
    flex-direction: column;
    justify-content: center;
    user-select: none;

    .title {
      margin: 0 auto;
    }

    .button {
      width: 100%;
    }

    .flex {
      width: 100%;
      display: flex;
      justify-content: space-between;
    }
  }
}
</style>
